Suppose you show a newborn infant four photographs, one of his mother smiling, one of his mother making a fearful face, one of a stranger smiling, and one of a stranger making a fearful face
Which photograph should you expect the newborn to look at for the longest time?
a. the smiling mother
b. the fearful mother
c. the smiling stranger
d. the fearful stranger
a
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An acquired fear response is called
a. a conditioned emotional reaction. b. a reconditioned phobia. c. a higher-order conditioned response. d. a discriminative response. e. a form of superstitious behavior.
Thirteen-year-old Juan has had his first ejaculation. This is
a. a sign of complete sexual maturation. b. called spermarche. c. this is a clear-cut marker of the onset of sexual maturity. d. called menarche.
Social research is ____, meaning it is based on observations and measurements of reality
a. theoretical b. empirical c. probabilistic d. causal
Under which circumstance do teens and, to some extent, college students show a greater tendency to engage in risky behavior as compared with average adults?
a. when they have not had adequate rest b. when they are alone c. when they are abusing a substance d. when peers are present